:root{--navy:#0b2f57;--navy2:#071d35;--orange:#ff6a00;--light:#f5f7fa;--text:#1d2733;--muted:#66717e;--white:#fff;--border:#dfe5eb;--shadow:0 12px 34px rgba(7,29,53,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--text);line-height:1.65;background:#fff}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.container{width:min(1180px,92%);margin:auto}.topbar{background:var(--navy2);color:#fff;font-size:14px;padding:8px 0}.topbar .container{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:82px}.logo{width:250px;max-height:68px;object-fit:contain}.menu{display:flex;gap:22px;align-items:center;font-weight:700;font-size:15px}.menu a:hover{color:var(--orange)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 22px;border-radius:10px;font-weight:800;transition:.2s;border:2px solid transparent}.btn-primary{background:var(--orange);color:#fff}.btn-primary:hover{transform:translateY(-1px);filter:brightness(.96)}.btn-dark{background:var(--navy);color:#fff}.btn-outline{border-color:#fff;color:#fff}.hero{min-height:650px;display:grid;align-items:center;color:#fff;background:linear-gradient(90deg,rgba(7,29,53,.95),rgba(7,29,53,.55)),url('assets/img/proje-1.jpg') center/cover no-repeat}.hero h1{font-size:clamp(38px,6vw,68px);line-height:1.06;margin:0 0 18px;max-width:900px}.hero p{font-size:20px;max-width:760px;color:#e6edf5}.eyebrow{display:inline-block;color:#ff9a51;font-weight:900;text-transform:uppercase;letter-spacing:.12em;font-size:13px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}.stats{margin-top:-48px;position:relative;z-index:4}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;box-shadow:var(--shadow);border-radius:16px;overflow:hidden}.stat{padding:28px;border-right:1px solid var(--border)}.stat:last-child{border-right:0}.stat b{display:block;color:var(--navy);font-size:28px}.section{padding:82px 0}.section.alt{background:var(--light)}.section-title{max-width:760px;margin-bottom:34px}.section-title h2{font-size:clamp(30px,4vw,46px);line-height:1.15;margin:8px 0 14px;color:var(--navy2)}.section-title p{color:var(--muted)}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:28px;box-shadow:0 6px 20px rgba(7,29,53,.05)}.card h3{color:var(--navy);margin-top:0}.service-card{padding:0;overflow:hidden}.service-card img{height:220px;width:100%;object-fit:cover}.service-card .pad{padding:24px}.checklist{list-style:none;padding:0;margin:0}.checklist li{padding:8px 0 8px 30px;position:relative}.checklist li:before{content:'✓';position:absolute;left:0;color:var(--orange);font-weight:900}.split{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}.split img{border-radius:18px;box-shadow:var(--shadow);max-height:560px;width:100%;object-fit:cover}.districts{display:flex;flex-wrap:wrap;gap:10px}.districts a{padding:10px 14px;border:1px solid var(--border);border-radius:999px;background:#fff;font-weight:700}.districts a:hover{border-color:var(--orange);color:var(--orange)}.gallery{display:grid;grid-template-columns:2fr 1fr 1fr;gap:12px}.gallery img{height:260px;width:100%;object-fit:cover;border-radius:14px}.gallery img:first-child{height:532px;grid-row:span 2}.faq details{background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px 20px;margin-bottom:12px}.faq summary{font-weight:800;cursor:pointer;color:var(--navy)}.cta{background:linear-gradient(135deg,var(--navy2),var(--navy));color:#fff;border-radius:20px;padding:50px}.cta h2{font-size:38px;margin:0 0 12px}.footer{background:#06182a;color:#dfe8f2;padding:60px 0 26px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}.footer h4{color:#fff}.footer a:hover{color:#ff9a51}.subhero{padding:92px 0 72px;background:linear-gradient(135deg,var(--navy2),var(--navy));color:#fff}.subhero h1{font-size:clamp(38px,5vw,58px);line-height:1.08;margin:8px 0 12px}.breadcrumbs{font-size:14px;color:#c8d5e4}.content{max-width:850px}.content h2,.content h3{color:var(--navy)}.content h2{margin-top:42px;font-size:32px}.notice{background:#fff7ef;border-left:4px solid var(--orange);padding:18px 20px;border-radius:8px}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}.contact-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:28px}.mobile-bar{display:none}.article-meta{color:var(--muted);font-size:14px}.tag{display:inline-block;background:#eaf1f8;color:var(--navy);padding:6px 10px;border-radius:999px;font-size:13px;font-weight:700;margin:4px}
@media(max-width:900px){.menu{display:none}.logo{width:210px}.hero{min-height:560px}.stat-grid,.grid3,.split,.footer-grid,.contact-grid{grid-template-columns:1fr 1fr}.gallery{grid-template-columns:1fr 1fr}.gallery img:first-child{grid-row:auto;height:260px}.stat{border-bottom:1px solid var(--border)}.mobile-bar{display:grid;grid-template-columns:1fr 1fr;position:fixed;bottom:0;left:0;right:0;z-index:60;box-shadow:0 -4px 18px rgba(0,0,0,.18)}.mobile-bar a{padding:14px;text-align:center;font-weight:900;color:#fff}.mobile-bar a:first-child{background:var(--navy)}.mobile-bar a:last-child{background:#25D366}.footer{padding-bottom:90px}}
@media(max-width:620px){.section{padding:58px 0}.stat-grid,.grid3,.split,.footer-grid,.contact-grid,.gallery{grid-template-columns:1fr}.hero h1{font-size:42px}.hero p{font-size:17px}.stats{margin-top:-22px}.stat{border-right:0}.cta{padding:30px}.cta h2{font-size:30px}.topbar .container{justify-content:center;text-align:center}.nav{min-height:70px}.logo{width:190px}}


/* ===== Kocaeli Iskele UX v2: dark mode, mobile nav, floating contact, map ===== */
:root{
  --surface:#ffffff;--surface-2:#f5f7fa;--surface-3:#eef2f6;
  --text:#1d2733;--muted:#66717e;--border:#dfe5eb;
  --header-bg:rgba(255,255,255,.96);--card-bg:#ffffff;
}
body{background:var(--surface);color:var(--text);transition:background .25s ease,color .25s ease}
.header{background:var(--header-bg)}
.nav-controls{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.theme-toggle,.menu-toggle{width:44px;height:44px;border:1px solid var(--border);border-radius:12px;background:var(--card-bg);color:var(--navy);display:inline-grid;place-items:center;cursor:pointer;font-size:20px;line-height:1;transition:.2s}
.theme-toggle:hover,.menu-toggle:hover{border-color:var(--orange);color:var(--orange)}
.menu-toggle{display:none}
.theme-toggle .sun{display:none}.theme-toggle .moon{display:inline}

/* Desktop side actions */
.floating-actions{position:fixed;right:18px;top:50%;transform:translateY(-50%);z-index:70;display:flex;flex-direction:column;gap:10px}
.floating-btn{min-width:54px;height:54px;border-radius:999px;display:flex;align-items:center;justify-content:center;gap:10px;padding:0 16px;color:#fff;font-weight:900;box-shadow:0 10px 28px rgba(0,0,0,.20);transition:transform .2s,filter .2s}
.floating-btn:hover{transform:translateX(-3px);filter:brightness(.96)}
.floating-btn.phone{background:var(--navy)}
.floating-btn.whatsapp{background:#25D366}
.floating-btn .icon{font-size:20px}.floating-btn .label{max-width:0;opacity:0;overflow:hidden;white-space:nowrap;transition:max-width .25s,opacity .2s}
.floating-btn:hover .label{max-width:110px;opacity:1}

/* Map */
.map-section{padding:0 0 82px}
.map-wrap{position:relative;border-radius:18px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--border);background:var(--card-bg)}
.map-wrap iframe{display:block;width:100%;height:420px;border:0;filter:none}
.map-open{position:absolute;left:18px;bottom:18px;background:var(--orange);color:#fff;padding:12px 18px;border-radius:10px;font-weight:900;box-shadow:0 8px 22px rgba(0,0,0,.18)}
.map-open:hover{filter:brightness(.96)}

/* Dark theme */
html[data-theme="dark"]{
  --surface:#07131f;--surface-2:#0b1b2b;--surface-3:#10263a;
  --text:#e8eef5;--muted:#aebcca;--border:#27415a;
  --header-bg:rgba(7,19,31,.96);--card-bg:#0d2235;
  --shadow:0 12px 34px rgba(0,0,0,.30);
}
html[data-theme="dark"] body{background:var(--surface);color:var(--text)}
html[data-theme="dark"] .header{background:var(--header-bg)}
html[data-theme="dark"] .section.alt{background:var(--surface-2)}
html[data-theme="dark"] .stat-grid,html[data-theme="dark"] .card,html[data-theme="dark"] .contact-card,html[data-theme="dark"] .faq details,html[data-theme="dark"] .districts a{background:var(--card-bg);border-color:var(--border)}
html[data-theme="dark"] .stat b,html[data-theme="dark"] .section-title h2,html[data-theme="dark"] .card h3,html[data-theme="dark"] .content h2,html[data-theme="dark"] .content h3,html[data-theme="dark"] .faq summary{color:#f1f6fb}
html[data-theme="dark"] .section-title p,html[data-theme="dark"] .article-meta{color:var(--muted)}
html[data-theme="dark"] .notice{background:#2a1e14;color:#f3e4d7}
html[data-theme="dark"] .tag{background:#16324d;color:#dbeafa}
html[data-theme="dark"] .theme-toggle .sun{display:inline}
html[data-theme="dark"] .theme-toggle .moon{display:none}
html[data-theme="dark"] .map-wrap iframe{filter:brightness(.82) contrast(1.08)}

@media(max-width:1100px){
  .menu{gap:13px;font-size:14px}.logo{width:215px}
}
@media(max-width:900px){
  .nav{position:relative;gap:12px}
  .nav-controls{margin-left:auto}
  .menu-toggle{display:inline-grid}
  .menu{display:none;position:absolute;top:calc(100% + 1px);left:0;right:0;background:var(--card-bg);border:1px solid var(--border);border-top:0;box-shadow:0 16px 28px rgba(0,0,0,.14);padding:16px;width:100%;flex-direction:column;align-items:stretch;gap:4px;z-index:65}
  .menu.is-open{display:flex}
  .menu a{padding:12px 14px;border-radius:8px}
  .menu .btn{margin-top:5px}
  .floating-actions{display:none}
  .map-wrap iframe{height:350px}
}
@media(max-width:620px){
  .theme-toggle,.menu-toggle{width:40px;height:40px;border-radius:10px}
  .map-section{padding-bottom:58px}.map-wrap iframe{height:300px}.map-open{left:12px;right:12px;bottom:12px;text-align:center}
  .mobile-bar{grid-template-columns:1fr 1fr}
  .mobile-bar a{font-size:15px;padding:13px 10px}
}